System for selecting, on the basis of their size, wood veneers
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United States of America Patent
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Mar 7, 1989
Issued Date -
N/A
app pub date -
May 24, 1988
filing date -
Sep 25, 1985
priority date (Note) -
Expired
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Abstract
A system for selecting wood veneers on the basis of their size comprises in combination: a cutter, at least a selector apparatus downstream of the cutter composed of a vacuum conveyor, expellers cooperating with the conveyor to separate the veneer from it, sensors for reading the length of the veneer which are disposed upstream of the cutter and which control the coming into operation of the expellers, and a conveyor for taking the veneers to a stacker downstream of the selector apparatus. The expellers consist of a plurality of compressed air nozzles above the feed path of the veneer which are adapted to direct in a controlled manner jets of air against the veneer so as to detach it abruptly from the vacuum conveyor.
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